package CollectionDemo;

public class Person implements Comparable<Person>{
	
	private int num;
	private String name;
	private int age;
	
	public Person(int num, String name, int age) {
		super();
		this.num = num;
		this.name = name;
		this.age = age;
	}

	public int getNum() {
		return num;
	}

	public void setNum(int num) {
		this.num = num;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String toString() {
		return "Person [num=" + num + ", name=" + name + ", age=" + age + "]";
	}

	public int hashCode() 
	{
		final int prime = 31;
		int result = 1;
		result = prime * result + age;
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		result = prime * result + num;
		return result;
	}

	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Person other = (Person) obj;
		if (age != other.age)
			return false;
		if (name == null) {
			if (other.name != null)
				return false;
		} else if (!name.equals(other.name))
			return false;
		if (num != other.num)
			return false;
		return true;
	}

	public int compareTo(Person o) {
		
		int flag=this.num-o.num;
		if(this.num==o.num)
		{
			flag=this.age-o.age;
			if(this.age==o.age)
			{
				if(this.name!=null && o.name!=null && !this.name.equals(o.name))
				{
					flag=this.name.compareTo(o.name);
				}
			}
		}
		
		return flag;
	}
	
}
